Signal light system for a helmet



FIG. 1 is a front elevational view of a signal light system for a helmet showing my new design, with the broken line showing for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a back plan view of the helmet with signal light system of FIG. 1;

FIG. 3 is a left side plan view of the helmet with signal light system of FIG. 1;

FIG. 4 is a right side plan view of the helmet with signal light system of FIG. 1;

FIG. 5 is a top plan view of the helmet with signal light system of FIG. 1;

FIG. 6 is a bottom plan view of the helmet with signal light system of FIG. 1; and,

FIG. 7 is a right side elevational view thereof, with the broken line showing for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a signal light system for a helmet, as shown and described. 